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Product Detailed Parameters
- Description：DIODE ZENER 56V 1W DO204AL
- Series：-
- Mfr：Microchip Technology
- Package：Bulk
- Voltage - Zener (Nom) (Vz)：56 V
- Tolerance：±5%
- Power - Max：1 W
- Impedance (Max) (Zzt)：110 Ohms
- Current - Reverse Leakage @ Vr：10 µA @ 42.6 V
- Operating Temperature：-55°C ~ 175°C
- Mounting Type：Through Hole
- Package / Case：DO-204AL, DO-41, Axial
- Voltage - Forward (Vf) (Max) @ If：1.2 V @ 200 mA
- Grade：-
- Qualification：-
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Overview
The Microchip Technology 1N3038B-1 is a single Zener diode designed for voltage regulation applications. It features a nominal Zener voltage of 56 V and operates within a wide temperature range from -55 °C to +175 °C. The device dissipates up to 1 W of power and exhibits a Zener impedance of 110 Ohms at a test current of 4.5 mA. Packaged in the DO-213AB-2 (SOD-80) surface-mount format, it maintains a maximum reverse leakage current of 10 uA. The component supports a forward current of 200 mA with a forward voltage of 1.2 V.
Feature Summary
- Provides stable voltage regulation using Zener breakdown characteristics
- Capable of operation in extreme thermal environments up to 175 °C
- Designed for compact surface-mount integration via DO-213AB-2 package
Applications
- Voltage reference circuits requiring high-temperature stability
- Overvoltage protection stages in industrial electronics
- Clamping applications in harsh environment systems
Procurement Notes
Verify the specific suffix against official Microchip documentation to confirm exact electrical tolerances and testing standards. Ensure the procurement channel provides valid traceability records for components intended for high-reliability or aerospace-grade deployments. Confirm RoHS compliance status as indicated by manufacturer specifications prior to final acquisition.
Selection Notes
Select this component when a robust 56 V regulation point is required in space-constrained surface-mount designs. Evaluate the 1 W power dissipation capability against expected thermal loads. Consider the 110 Ohm impedance for dynamic load requirements. Verify that the operating temperature range aligns with the specific environmental conditions of the target application system.
Part Context
This part belongs to the standard Zener diode family manufactured by Microchip Technology. It utilizes silicon planar technology housed in a small outline surface-mount package. The series is engineered for general-purpose voltage regulation tasks where reliability and thermal endurance are critical design parameters.
Replacement Considerations
Cross-reference with other 56 V Zener diodes in the DO-213AB-2 package. Verify pinout compatibility and ensure equivalent power dissipation ratings. Check if alternative manufacturers offer matching impedance and leakage current specifications for direct substitution.
